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https://github.com/alsa-project/alsa-utils
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50 lines
1.7 KiB
Text
50 lines
1.7 KiB
Text
================================================================
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aconnect - control subscriptions
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ver.0.1.3
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Copyright (C) 1999-2000 Takashi Iwai
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================================================================
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aconnect is a utility to control subscriptions of two ports as the
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third "manager" client.
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For example, the following connects two ports, from 64:0 to 65:0.
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% aconnect 64:0 65:0
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To disconnect the existing subscription, use -d option.
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% aconnect -d 64:0 65:0
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To see which port is available as input port, run the following
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command:
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% aconnect -i
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client 0: 'System' [group=system] [type=kernel]
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0 'Timer ' [group=system]
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1 'Announce ' [group=system]
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client 64: '0: MIDI Synth' [group=] [type=kernel]
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0 'card 0: synth-midi: 0' [group=device]
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Similary, to see the output ports, use -o flag.
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% aconnect -o
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client 64: '0: MIDI Synth' [group=] [type=kernel]
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0 'card 0: synth-midi: 0' [group=device]
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client 65: 'AWE Wave Table Synth : 0' [group=device] [type=kernel]
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0 'Emu8000 port 0 ' [group=device]
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1 'Emu8000 port 1 ' [group=device]
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2 'Emu8000 port 2 ' [group=device]
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3 'Emu8000 port 3 ' [group=device]
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Some ports may have permission for its own group.
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In such a case, change the group of aconnect to the appropriate one by
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using -g option.
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The option -l together with -i or -o shows subscribers for each port.
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Ports are connected exclusively when the option -e is specified.
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For modifying time-stamp with a queue, use -r or -t option followed by
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a queue index which updates the time-stamp. Former uses real-time queue,
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while the latter uses tick queue. The queue must be used (not necessarily
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owned) by the receiver client.
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